Overview
The BFR520,215 is a high-performance RF bipolar transistor manufactured by NXP USA Inc. This transistor is designed for high-frequency applications, offering excellent performance characteristics such as low noise figure and high transition frequency. It is packaged in a TO-236AB (SOT23) case, making it suitable for surface mount technology (SMT) assembly. The BFR520,215 is widely used in various RF and microwave circuits, including amplifiers, oscillators, and switches.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | BFR520,215 |
| Manufacturer | NXP Semiconductors / Freescale |
| Description | RF TRANS NPN 70MA 15V 9GHZ SOT23 |
| Package / Case | TO-236AB (SOT23) |
| Voltage - Collector Emitter Breakdown (Max) | 15V |
| Transistor Type | NPN |
| Power - Max | 300mW |
| Operating Temperature | 175°C (TJ) |
| Noise Figure (dB Typ @ f) | 1.1dB ~ 2.1dB @ 900MHz |
| Frequency - Transition | 9GHz |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 60 @ 20mA, 6V |
| Current - Collector (Ic) (Max) | 70mA |
Key Features
- High transition frequency of 9 GHz, making it suitable for high-frequency applications.
- Low noise figure ranging from 1.1 dB to 2.1 dB at 900 MHz.
- Maximum collector current of 70 mA and maximum collector-emitter voltage of 15 V.
- High DC current gain (hFE) of 60 at 20 mA and 6 V.
- Surface mount package (TO-236AB / SOT23) for easy integration into SMT designs.
- Operating temperature up to 175°C (TJ).
Applications
The BFR520,215 is used in a variety of RF and microwave applications, including:
- RF amplifiers and pre-amplifiers.
- Oscillators and frequency generators.
- Switches and mixers in RF circuits.
- Wireless communication systems, such as cellular networks and satellite communications.
- Medical and industrial equipment requiring high-frequency signal processing.
Q & A
- What is the maximum collector-emitter voltage of the BFR520,215?
The maximum collector-emitter voltage is 15 V. - What is the transition frequency of the BFR520,215?
The transition frequency is 9 GHz. - What is the noise figure of the BFR520,215 at 900 MHz?
The noise figure ranges from 1.1 dB to 2.1 dB at 900 MHz. - What is the maximum collector current of the BFR520,215?
The maximum collector current is 70 mA. - What is the package type of the BFR520,215?
The package type is TO-236AB (SOT23). - What is the operating temperature range of the BFR520,215?
The operating temperature range is up to 175°C (TJ). - What is the DC current gain (hFE) of the BFR520,215?
The DC current gain (hFE) is 60 at 20 mA and 6 V. - Where can I find the datasheet for the BFR520,215?
You can find the datasheet on the NXP website, Digi-Key, or other electronic component suppliers. - What are some common applications of the BFR520,215?
Common applications include RF amplifiers, oscillators, switches, and wireless communication systems. - Is the BFR520,215 suitable for surface mount technology (SMT) assembly?
Yes, it is suitable for SMT assembly due to its TO-236AB (SOT23) package.
